Number Series Ques 208

Question-

What will come in place of the question mark (?)

$20 \quad 23 \quad 30 \quad 43 \quad 64 \quad$ ?

(1) 95

(2) 90

(3) 100

(4) 105

(5) 96

Show Answer

Correct Answer: (1)

Solution: (1)

The pattern is :

$20+3=23$

$23+7(=3+4)=30$

$30+13(=7+6)=43$

$43+21(=13+8)=64$

$64+31(=21+10)=95$